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Investments (Tables)
9 Months Ended
Sep. 30, 2022
Investments  
Schedule of cost, gross unrealized holding gains, gross unrealized holding losses and fair value of investments by types and classes of security

SEPTEMBER 30, 2022

MATURITY

AMORTIZED

UNREALIZED

UNREALIZED

FAIR

IN YEARS

    

COST

    

GAIN

    

LOSS

    

VALUE

Commercial paper

less than 1

$

39,055

$

$

$

39,055

Corporate debt securities

less than 1

32,833

(332)

32,501

Asset-backed securities

less than 1

3,999

(19)

3,980

Government securities

less than 1

21,472

(138)

21,334

Short-term investments

$

97,359

$

$

(489)

$

96,870

Corporate debt securities

1 - 2

2,540

(30)

2,510

Asset backed securities

1 - 2

4,061

(15)

4,046

Government securities

1 - 2

2,001

(16)

1,985

Long-term investments

$

8,602

$

$

(61)

$

8,541